Plumbing and HVAC rules in Rhode Island
What the state says about plumbing and heating and cooling work, with the page each rule comes from. It's a summary of the published rules, not legal advice, and your city or county can have rules of its own.
Checked September 23, 2026
Plumbing licensing
Plumbers in Rhode Island hold master or journeyperson licenses from the Board of Examiners of Plumbers at the Department of Labor and Training.1, 2, 3
Heating and cooling licensing
Rhode Island's Department of Labor and Training licenses pipefitters, refrigeration technicians and sheet metal workers.1
Plumbing and mechanical codes
Rhode Island's State Plumbing Code is the 2021 International Plumbing Code with amendments, in effect since December 1, 2025.4 Rhode Island's State Mechanical Code is the 2021 International Mechanical Code with amendments.5
Permits to replace a water heater, furnace or AC
Ask your local building department whether replacing a water heater, furnace or AC needs a permit where you live.
Backflow testing
If your home has a backflow preventer, your water utility can tell you whether it needs testing and who can test it.
Sources
What plumbing and HVAC work costs in Rhode Island
Published national ranges for plumbing, water heater, sewer, AC, heat pump and furnace jobs, and a planning estimate for your own job.
Contractors in Rhode Island
120 plumbers and heating and cooling contractors are listed in Rhode Island. 43 hold an active USDOT registration. Browse them by county, or ask for quotes and we'll pass your job to contractors near you.
Cite this page
“Plumbing and HVAC rules in Rhode Island.” PlumbingInformationSite.com, updated September 27, 2026. https://plumbinginformationsite.com/ri/rules/